Macklin, Ruth2020-04-102020-04-102019-07Macklin Ruth. Daniel Callahan: In memoriam. Indian Journal of Medical Ethics. 2019 JUL; 4(3): 2570974-8466 http://imsear.searo.who.int/handle/123456789/195245Dan Callahan was a seminal figure in bioethics. In 1969, he co-founded the Hastings Center, one of the first organisations devoted to research and public programmes related to ethics in biology and medicine. The Center is celebrating its 50-year anniversary this year, and sadly, Dan is no longer here to participate in the festivities in the fall. He died on July 16, two days short of his 89th birthday.Journal ArticleIndiaDistinguished University Professor Emerita, Albert Einstein College of Medicine, Bronx, NY, ruth.macklin@einstein.yu.edu